January weather forecast
Chatham Hills, MD

Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
°Celsius°Fahrenheit
Share
Contents

Weather in January

January, like December, in Chatham Hills, Maryland, is a wintry winter month, with an average temperature fluctuating between 39.6°F (4.2°C) and 28.4°F (-2°C).

Temperature

Temperature readings reach their annual highs in January, averaging 39.6°F (4.2°C) and a minimum average of 28.4°F (-2°C).

Humidity

January, March, April and November, with an average relative humidity of 72%, are the least humid months.

Rainfall

In Chatham Hills, Maryland, in January, it is raining for 9.9 days, with typically 2.01" (51mm) of accumulated precipitation. Throughout the year, in Chatham Hills, there are 155.7 rainfall days, and 31.22" (793mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. The month with the most snowfall is January, when snow falls for 4.4 days and typically aggregates up to 2.05" (52mm) of snow.

Daylight

The average length of the day in January is 9h and 47min.
On the first day of January, sunrise is at 7:25 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:25 pm EST.

Sunshine

In January, the average sunshine in Chatham Hills is 5.3h.

UV index

The months with the lowest UV index are January, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index, 2 in January, converts into the following recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Enhance your sun protection with tightly woven, yet airy clothing. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Updated: Jun 4, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

Chatham Hills's temperature records reveal January as the coldest month, marked by average highs of 39.6°F (4.2°C) and lows of 28.4°F (-2°C).

How cold is January?

The high-temperature, in January, in Chatham Hills, is 39.6°F (4.2°C), while the low-temperature averages to 28.4°F (-2°C).

What is the least humid month?

January, March, April and November, with an average relative humidity of 72%, are the least humid months.

What is the average humidity in January?

In January, the average relative humidity is 72%.

How many days does it rain in January in Chatham Hills?

In Chatham Hills, in January, it is raining for 9.9 days, with typically 2.01" (51mm) of accumulated precipitation.

When does it snow the most?

The month with the most snowfall is January, when snow falls for 4.4 days and typically aggregates up to 2.05" (52mm) of snow.

How much does it snow in January?

In Chatham Hills, during January, snow falls for 4.4 days and regularly aggregates up to 2.05" (52mm) of snow.

How many hours of daylight does Chatham Hills have in January?

In January, the average day length is 9h and 47min.

What time are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:25 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:25 pm EST.

How many hours of sunshine does Chatham Hills have in January?

In Chatham Hills, the average sunshine duration in January is 5.3h.

What are the months with the lowest UV index?

January, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

How high is the UV index in January?

In Chatham Hills, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
45.5°F 7.5°C
39.6°F 4.2°C
43.2°F 6.2°C
Average low temperature
34.7°F 1.5°C
28.4°F -2°C
30.7°F -0.7°C
Average pressure
30.11" 765mmHg
30.1" 765mmHg
30.07" 764mmHg
Average wind speed
8.6mph 13.8km/h
9.3mph 15km/h
9.3mph 15km/h
Average max. wind speed
9.3mph 15km/h
10.1mph 16.3km/h
10mph 16.1km/h
Average wind speed gusts
13.9mph 22.4km/h
14.9mph 24km/h
15.2mph 24.5km/h
Average humidity
75%
72%
74%
Average rainfall
2.83" 72mm
2.01" 51mm
2.36" 60mm
Average rainfall days
11.4
9.9
10.8
Average snowfall
0.63" 16mm
2.05" 52mm
1.73" 44mm
Average snowfall days
2.4
4.4
4.2
Average daylight
9h 3min
9h 5min
10h 5min
Average sunshine
5h 1min
5h 2min
5h 1min
Average sunshine days
16.9
17.5
13.9
Average UV index
2
2
3
Average cloud cover
44%
43%
45%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
Chatham Hills, MD

Average temperature in January - Chatham Hills, MD
  • Average high temperature in January: 39.6°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (39.6°F).

  • Average low temperature in January: 28.4°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).

Average pressure in January
Chatham Hills, MD

Average pressure in January - Chatham Hills, MD
  • Average pressure in January: 30.1"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in January
Chatham Hills, MD

Average wind speed in January - Chatham Hills, MD
  • Average wind speed in January: 9.3mph

The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

Average humidity in January
Chatham Hills, MD

Average humidity in January - Chatham Hills, MD
  • Average humidity in January: 72%

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March, April and November (72%).

Average rainfall in January
Chatham Hills, MD

Average rainfall in January - Chatham Hills, MD
  • Average rainfall in January: 2.01"

The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days in January
Chatham Hills, MD

Average rainfall days in January - Chatham Hills, MD
  • Average rainfall days in January: 9.9 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is November (9.4 days).

Average snowfall in January
Chatham Hills, MD

Average snowfall in January - Chatham Hills, MD
  • Average snowfall in January: 2.05"

The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in January
Chatham Hills, MD

Average snowfall days in January - Chatham Hills, MD
  • Average snowfall days in January: 4.4 days

The month with the highest number of snowfall days is January (4.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in January /
Average sunshine in January
Chatham Hills, MD

Average daylight in January / Average sunshine in January - Chatham Hills, MD
  • Average daylight in January: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in January: 5h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

Average sunshine days in January
Chatham Hills, MD

Average sunshine days in January - Chatham Hills, MD
  • Average sunshine days in January: 17.5 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (10.8 days).

Average UV index in January
Chatham Hills, MD

Average UV index in January - Chatham Hills, MD
  • Average UV index in January: 2

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, November and December (UV index 2).

Average cloud cover in January
Chatham Hills, MD

Average cloud cover in January - Chatham Hills, MD
  • Average cloud cover in January: 43

The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in January
Chatham Hills, MD

Average visibility in January - Chatham Hills, MD
  • Average visibility in January: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Chatham Hills, Maryland, USA

Weather forecast for today
Weather forecast for tomorrow
10 days weather forecast
Climate data
1January
2February
3March
4April
5May
6June
7July
8August
9September
10October
11November
12December

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location